81433455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 136774656

約数和(自身を除く): 55341201

約数列:

[1, 3, 5, 15, 23, 69, 115, 193, 345, 579, 965, 1223, 2895, 3669, 4439, 6115, 13317, 18345, 22195, 28129, 66585, 84387, 140645, 236039, 421935, 708117, 1180195, 3540585, 5428897, 16286691, 27144485, 81433455]

約数ペア:

[(1, 81433455), (3, 27144485), (5, 16286691), (15, 5428897), (23, 3540585), (69, 1180195), (115, 708117), (193, 421935), (345, 236039), (579, 140645), (965, 84387), (1223, 66585), (2895, 28129), (3669, 22195), (4439, 18345), (6115, 13317)]